Lin chuang er bi yan hou ke za zhi = Journal of clinical otorhinolaryngology · 2006
[Application of distortion product otoacoustic emissions in detection of pseudohypacusis and exaggerated hearing loss].
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Li Fude, Liang Ruimin, Chen Chen, Song Wei
Аннотация
OBJECTIVE: To explore the role of differential diagnosis of distortion product otoacoustic emissions (DPOAE) in pseudohypacusis and exaggerated hearing loss.
METHOD: Detection and analysis of DPOAE were made by ILO96 Otodynamics Analyzer in the patients complaining of post-traumatic hearing loss and in cooperative in pure tone threshold (PTT) examination.
RESULT: The detective results of DPOAE in 102 patients (121 ears) in cooperative in PTT examination revealed that pseudohypacusis was 66.12% (80/121 ears), exaggerated hearing loss was 33.88% (41/121 ears). The reactive threshold value determined by auditory brainstem response (ABR) in these patients confirmed that the results of DPOAE were objective and reliable.
CONCLUSION: DPOAE can be used as a routine examination method in differential diagnosis of the post-traumatic hearing loss. It gives an objective and reliable diagnosis and differential diagnosis for the pseudohypacusis and exaggerated hearing loss.
METHOD: Detection and analysis of DPOAE were made by ILO96 Otodynamics Analyzer in the patients complaining of post-traumatic hearing loss and in cooperative in pure tone threshold (PTT) examination.
RESULT: The detective results of DPOAE in 102 patients (121 ears) in cooperative in PTT examination revealed that pseudohypacusis was 66.12% (80/121 ears), exaggerated hearing loss was 33.88% (41/121 ears). The reactive threshold value determined by auditory brainstem response (ABR) in these patients confirmed that the results of DPOAE were objective and reliable.
CONCLUSION: DPOAE can be used as a routine examination method in differential diagnosis of the post-traumatic hearing loss. It gives an objective and reliable diagnosis and differential diagnosis for the pseudohypacusis and exaggerated hearing loss.